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Summary of Contents for Samsung SGH-S341i
- Page 1 GSM TELEPHONE SGH-S341i Manual SERVICE GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams...
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Page 2: Specification
5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl Sensit ivit y - 102dBm -102dBm - 100dBm - 100dBm TDMA Mux Cell Radius 35Km 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 3: Gsm Tx Power Class
11±3 dBm 8±4dBm 8±4dBm 9±3dBm 6±4 dBm 6±4 dBm 7±3 dBm 4±4 dBm 4±4 dBm 5±3 dBm 2±5 dBm 2±5 dBm 0±5 dBm 0±5 dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 4: Flow Chart Of Troubleshooting
Check the clock signal at pin#27 of U501 Freq = 13MHz Check the clock generation circuit Vrms >=300mV (related to osc501) Vpp≒ 900mV Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 5 The voltage is "High" at Check the U102 the C122,C123,C127 LCD display is O.K Check the LCD part Sound is O.K Check the Audio part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 6: Sim Part
Check the voltage at pin#1 of CN101 >= Check the U102 2.8V ? Is there any signals Check the U202 pin#2,#3,#4 of CN101 ? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 7 SGH-S341i Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 8 SGH-S341i Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 9 SGH-S341i Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 10: Microphone Part
Reassembled the microphone of microphone O.K? Check the reference voltage on mic path Resolder or change R136,R146,R141,R145,C137,C139, C142 ≒ 2.0V ? R157,R158,R161,R162,C152,C154 Check U501 Is microphone ok? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 11: Speaker Part
U104 ? The pin#4 of Check the The pin#4 of Check the U104 is "High" U101 U104 is "Low" U101 Check the U202 Check the U104 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 12 10NF YAMAH A VCCD VBA T R123 R172 C131 U10 4 100NF R130 AOUTAP R131 SPK1P AOUTAN SPK1N YMU_SPK1P AUDIO_AMP_EN NC 1 YMU_SPK1N ANALOG SW SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 13 SGH-S341i Flow Chart of Troubleshooting 2-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 14: Camera Part
Check the connect Connect the camera module CN402 U403 PIN 4,10 = 2.8V? Check U403 and C405 R402 = 13.8MHz Check C407 of U402 2-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 15 SGH-S341i Flow Chart of Troubleshooting 2-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 16 OSC501 pin 8 : 13MHz ? change or resolder Vp-p : 950mV? U501 U501 pin1,2,3,28 Vp-p resolder or change : 120mV ? U102 CHECK!! 2-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 17 OSC501 pin 8 : 13MHz ? change or resolder Vp-p : 950mV? U501 U501 pin1,2,3,28 Vp-p resolder or change : 120mV ? U102 CHECK!! 2-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 18 OSC501 pin 8 : 13MHz ? change or resolder Vp-p : 950mV? U501 U501 pin1,2,3,28 Vp-p resolder or change : 120mV ? U102 CHECK!! 2-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 19 U102 pinA13,C127 pin8 : 13MHz ? change or resolder change or resolder Vp-p : 950mV? U501 pin4,5,6,7:100mV? U102 U501 change or resolder change or resolder 2-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 20 U102 pinA13,C127 pin8 : 13MHz ? change or resolder change or resolder Vp-p : 950mV? U501 pin4,5,6,7:100mV? U102 U501 change or resolder change or resolder 2-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 21 OSC501 pin8 : 13MHz ? change or resolder change or resolder Vp-p : 950mV? U501 pin4,5,6,7:100mV? U501 U102 change or resolder change or resolder 2-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 22 SGH-S341i Flow Chart of Troubleshooting 2-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 23 SGH-S341i Flow Chart of Troubleshooting 2-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 24: Exploded Views And Parts List
QFB01 QFR01 QFU01 QPC01 QSP01 QMO01 QKP01 QLC05 QMP01 QKP02 QME01 QVK01 QMP02 QME02 QCA01 QMI01 QAN01 QVO01 QRE01 QFL01 QCR05 QSC04 QIF01 QRF01 QBA20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 25 GH75-04228A QRE01 REAR COVER GH75-04224A QCR05 SCREW 6001-001478 QSC04 MAIN SCREW CAP GH73-03236A QRF01 RF COVER GH73-03235A QIF01 IF CONN COVER GH72-12230A QBA20 BATTERY GH43-01434A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 26 3. Test Jig (GH80-06022A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00283A) (GH39-00304A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TA (GH39-00305A) (GH44-00701A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 27: Electrical Parts List
F407,F408 2203-006257 C310,C325 NEW-IC00013 F502 2203-005682 C311,C312,C313,C314 3301-001362 L101 2203-005682 C315,C316,C317,C318 2703-001734 L502 2203-005682 C319,C417,C418,C430 2703-002485 L503 2203-000812 C321,C322,C504,C537 2703-002484 L504 2203-000550 C401 2703-002608 L505 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 28 ZD303 2007-000171 R216,R217,R224,R227 0406-001190 ZD306 2007-000242 R221 0406-001169 ZD308,ZD309 2007-001290 R222,R223 0406-001150 ZD312,ZD313,ZD314 2007-000171 R230,R342,R401,R410 2007-000157 R302,R344 2007-000140 R307,R308,R312,R313 2007-000140 R314,R315,R316,R317 2007-000140 R318,R319,R320,R334 2007-001301 R321,R343 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 29 2007-003010 R17,R18,R42,R45 2007-000151 R21,R22,R23 2007-000162 2007-000172 R31,R47 2007-000140 2007-003025 2007-001292 2007-000171 1203-002633 1203-002690 0406-001150 ZD1,ZD13,ZD14,ZD15 0404-001172 ZD11 0403-001446 ZD12 0406-001150 ZD16,ZD19,ZD2,ZD3 0406-001169 ZD17,ZD18 0406-001150 ZD4,ZD5,ZD6,ZD7,ZD8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 30: Block Diagrams
Si 4205 DSP16000 SERIAL DATA, SERIAL DATA ARM946ES CLK, INTERFACE GSM:890MHz~915MHz D E T DCS:1710MHz~1785MHz TCVCXO PCS:1850MHz~1910MHz 13 MHz A F C C L K SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 31 ICP/IDP JTAG 32.768KHz DAIRN DAIDO DAIDI KEYBOARD Audio Part Audio FLASH PSRAM FLASH PSRAM (32M) (32M) B'D B'D conn. (128M) (128M) Keypad CAMERA Memory part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 32: Pcb Diagrams
C526 C529 C503 C112 R167 ANT501 C123 R503 C139 R161 R158 R157 R103 C504 C502 C505 R501 C501 C137 R162 C154 C152 R104 C102 R166 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 33 C447 C431 C446 C432 C445 C433 C444 C434 C443 C435 C442 C436 C441 C440 C462 C439 LED308 LED302 C150 R160 U107 L101 C151 LED310 LED304 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 34 SGH-S341 PCB Diagrams 3. LCD PCB Top Diagram ZD12 CN12 ZD11 ZD16 ZD15 ZD17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 35 SGH-S341i PCB Diagrams 4. LCD PCB Bottom Diagram LEFT RIGHT ZD19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 36 ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. AUG. 2004 Printed in Korea. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable Code No.: GH68-05745A International and/or domestic law. BASIC.